#!/usr/bin/env bash

function error_handler() {
  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
  exit "$2"
}
trap 'error_handler ${LINENO} $?' ERR
set -o errtrace -o errexit -o nounset -o pipefail

# run migrations
export FLASK_APP=/app/src/spiffworkflow_backend

if [ "${DOWNGRADE_DB:-}" = "true" ]; then
  echo 'Downgrading database...'
  poetry run flask db downgrade
fi

if [ "${UPGRADE_DB:-}" = "true" ]; then
  echo 'Upgrading database...'
  poetry run flask db upgrade
fi

port="${PORT0:-}"
if [[ -z "$port" ]]; then
  port=7000
fi

# THIS MUST BE THE LAST COMMAND!
if [ "${APPLICATION_ROOT:-}" = "/" ]; then
  exec poetry run gunicorn --bind "0.0.0.0:$PORT0" wsgi:app
else
  exec poetry run gunicorn -e SCRIPT_NAME="$APPLICATION_ROOT" --bind "0.0.0.0:$PORT0" wsgi:app
fi